Research/Scholarly/Creative Works

• Brown EP., Hu S., Wells J., Wang X. and Koh CA. (2018) Direct Measurements of Contact Angles on Cyclopentane Hydrates. Energy and Fuels 32(6): 6619-6626. http://dx.doi.org/10.1021/acs.energyfuels.8b00803. (Journal Articles)

• Horvath SP., Wells J-PR., Reid MF., Yamaga M. and Honda M. (2018) Electron paramagnetic resonance enhanced crystal field analysis for low point-group symmetry systems: C₂v sites in Sm³⁺:CaF₂/SrF₂. Journal of Physics: Condensed Matter 31(1) 015501: 11. http://dx.doi.org/10.1088/1361-648X/aaee5c. (Journal Articles)

• Brown E., Hu S., Wang S., Wells J., Koh C., Nakatsuka M. and Veedu V. (2017) Low-Adhesion coatings as a novel gas hydrate mitigation strategy. In Proceedings of the Annual Offshore Technology Conference 5: 3823-3832. (Conference Contributions - Published)

• Horvath SP., Wells JPR., van der Meer AFG. and Reid MF. (2017) An infrared pump-probe measurement of the Sm3+ 6H7/2 lifetime in LiYF4. Optical Materials 66: 8-11. http://dx.doi.org/10.1016/j.optmat.2017.01.026. (Journal Articles)

• Hughes-Currie RB., Ivanovskikh KV., Wells J-PR., Reid MF., Gordon RA., Seijo L. and Barandiarán Z. (2017) X-ray Excitation Triggers Ytterbium Anomalous Emission in CaF2:Yb but Not in SrF2:Yb.. The Journal of Physical Chemistry Letters 8(6): 1175-1178. http://dx.doi.org/10.1021/acs.jpclett.7b00262. (Journal Articles)

• Hurst RB., Mayerbacher M., Gebauer A., Schreiber KU. and Wells JPR. (2017) High-accuracy absolute rotation rate measurements with a large ring laser gyro: Establishing the scale factor. Applied Optics 56: 1124-1130. http://dx.doi.org/10.1364/AO.56.001124. (Journal Articles)

• Mackeen C., Bridges F., Kozina M., Mehta A., Reid MF., Wells JPR. and Barandiarán Z. (2017) Evidence That the Anomalous Emission from CaF2:Yb2+ Is Not Described by the Impurity Trapped Exciton Model. Journal of Physical Chemistry Letters 8(14): 3313-3316. http://dx.doi.org/10.1021/acs.jpclett.7b01103. (Journal Articles)

• Reid MF., Horvath SP., Wells JPR., Longdell JJ. and Goldner PP. (2017) Modelling the Electronic Structure of Lanthanide Ions in Y2SiO5. Queenstown, New Zealand: The 3rd Australia New Zealand Conference on Optics and Photonics (ANZCOP), 4-7 Dec 2017. (Conference Contributions - Other)

• Reid MF., Pamplin AJH., Wells JPR., Golovko VB. and Chen X. (2017) Investigation of defect distributions in CaF 2 :Eu 3+ Nanoparticles. João Pessoa, Brazil: 18th International Conference on Luminescence, 27 Aug-1 Sep 2017. (Conference Contributions - Other)

• Salmin DC., Majid AAA., Wells J., Sloan ED., Estanga D., Kusinski G., Rivero M., Gomes J., Wu DT. and Zerpa LE. (2017) Study of anti-Agglomerant low dosage hydrate inhibitor performance. In Proceedings of the Annual Offshore Technology Conference 3: 1695-1711. (Conference Contributions - Published)

• Senanayake PS., Wells JPR., Reid MF., Hughes-Currie RB., Berden G., Reeves RJ. and Meijerink A. (2017) Temporal dynamics of the frequency non-degenerate transient photoluminescence enhancement observed following excitation of inter-configurational f→d transitions in CaF2:Yb2+. Journal of Luminescence 192: 608-615. http://dx.doi.org/10.1016/j.jlumin.2017.07.053. (Journal Articles)

• Brown E., Khan MN., Salmin D., Wells J., Wang S., Peters CJ. and Koh CA. (2016) Cyclopentane hydrate cohesion measurements and phase equilibrium predictions. Journal of Natural Gas Science and Engineering 35: 1435-1440. http://dx.doi.org/10.1016/j.jngse.2016.05.016. (Journal Articles)

• Horvath SP., Reid MF., Wells JPR. and Yamaga M. (2016) High precision wavefunctions for hyperfine states of low symmetry materials suitable for quantum information processing. Journal of Luminescence 169: 773-776. http://dx.doi.org/10.1016/j.jlumin.2015.02.045. (Journal Articles)

• Hughes-Currie RB., Ivanovskikh KV., Reid MF., Wells JPR., Reeves RJ. and Meijerink A. (2016) Vacuum ultraviolet synchrotron measurements of excitons in NaMgF3:Yb2+. Journal of Luminescence 169(B): 419-421. http://dx.doi.org/10.1016/j.jlumin.2015.03.023. (Journal Articles)

• Ivanovskikh KV., Hughes-Currie RB., Reid MF., Wells J-PR., Sokolov NS. and Reeves RJ. (2016) Synchrotron spectroscopy of confined carriers in CdF2-CaF2 superlattices. JOURNAL OF APPLIED PHYSICS 119(10) 104305: 6. http://dx.doi.org/10.1063/1.4943498. (Journal Articles)

• Mahlik S., Lazarowska A., Grinberg M., Wells JPR. and Reid MF. (2016) Luminescence properties of MgF2:Yb2+ at high hydrostatic pressure. Journal of Luminescence 169(B): 788-793. http://dx.doi.org/10.1016/j.jlumin.2015.01.031. (Journal Articles)

• Reid MF., Horvath SP., Stewart JS. and Wells JPR. (2016) Smarter Modeling of Energy Levels of Rare-Earth Quantum-Information Candidates. Paris, France: 19th Conference on Dynamical Processes in Excited States of Solids (DPC16), 17 Jul-22 Dec 2016. (Conference Contributions - Other)

• Wells J-P-R., Horvath SP., van der Meer LFG. and Reid MF. (2016) An infrared pump-probe measurement of the 6H7/2 lifetime of Sm3+ in LiYF4. Paris, France: 19th Conference on Dynamical Processes in Excited States of Solids (DPC16), 17-22 Jul 2016. (Conference Contributions - Other)

• Hughes-Currie RB., Salkeld AJ., Ivanovskikh KV., Reid MF., Wells JPR. and Reeves RJ. (2015) Excitons and interconfigurational transitions in CaF2:Yb2+ crystals. Journal of Luminescence 158: 197-202. http://dx.doi.org/10.1016/j.jlumin.2014.09.050. (Journal Articles)

• Hurst RB., Rabeendran N., Wells JPR. and Schreiber KU. (2015) Large ring laser gyroscopes: towards absolute rotation rate sensing. Sanur, Indonesia: International Seminar on Photonics, Optics and its Applications (ISPhOA 2014), 14-15 Oct 2014. In Proceedings of SPIE 944407: 5pp. http://dx.doi.org/10.1117/12.2084349. (Conference Contributions - Published)

• Mahlik S., Lazarowska A., Grinberg M., Wells JPR. and Reid MF. (2015) Pressure dependence of the emission in CaF2:Yb2+. Journal of Physics Condensed Matter 27(30) 305501: 9. http://dx.doi.org/10.1088/0953-8984/27/30/305501. (Journal Articles)

• Schreiber KU., Thirkettle RJ., Hurst RB., Follman D., Cole GD., Aspelmeyer M. and Wells AJPR. (2015) Sensing earth's rotation with a helium-neon ring laser operating at 1.15 μm. Optics Letters 40(8): 1705-1708. http://dx.doi.org/10.1364/OL.40.001705. (Journal Articles)

• Senanayake PS., Wells JPR., Reid MF., Hughes-Currie RB., Berden G., Reeves RJ. and Meijerink A. (2015) Frequency non-degenerate sequential excitation of the impurity trapped exciton in strontium fluoride crystals doped with ytterbium. Journal of Applied Physics 117(13) 133109: 9. http://dx.doi.org/10.1063/1.4916375. (Journal Articles)

• Wells JPR., Horvath SP. and Reid MF. (2015) Temperature dependent infrared absorption, crystal-field and intensity analysis of Ce3+ doped LiYF4. Optical Materials 47: 30-33. http://dx.doi.org/10.1016/j.optmat.2015.06.046. (Journal Articles)

• Wells JPR., Hughes-Currie RB., Senanayake PS., Ivanovskikh KV. and Reid MF. (2015) Anomalous Emission of Ytterbium Doped Fluoride Crystals: Intervalence Charge Transfer Luminescence or Impurity Trapped Excitons? Gdansk, Poland: 5th International Workshop on Advanced Spectroscopy and Optical Materials, 18-24 Jul 2015. (Conference Contributions - Other)

• Feist JP., Sollazzo PY., Berthier S., Charnley B. and Wells J. (2014) Applicaton of an industrial sensor coatng system on a rolls-royce jet engine for temperature detecton. Mechanical Engineering 136(9). (Journal Articles)

• Hurst RB., Rabeendran N., Schreiber KU. and Wells JPR. (2014) Correction of backscatter-induced systematic errors in ring laser gyroscopes. Applied Optics 53(31): 7610-7618. http://dx.doi.org/10.1364/AO.53.007610. (Journal Articles)

• Reid MF., Hughes-Currie RB., Wells JPR., Ivanovskikh KV. and Reeves RJ. (2014) Synchrotron Spectroscopy and Modelling of NaMgF3:Yb2+. Wroclaw, Poland: The 17th International Conference on Luminescence, 13-18 Jul 2014. (Conference Contributions - Other)

• Schreiber KU., Gebauer A., Igel H., Wasserman J., Hurst RB. and Wells JPR. (2014) The Centennial of the Sagnac Experiment in the Optical Regime: From a Tabletop Experiment to the Variation of Earth Rotation. Comptes Rendus Physique 15(10): 859-865. (Journal Articles)

• Schreiber KU., Gebauer A., Velikoseltsev A. and Wells JPR. (2014) Precision cavity control for the stable operation of a large ring laser gyroscope. In Proceedings - 2014 International Conference Laser Optics, LO 2014 http://dx.doi.org/10.1109/LO.2014.6886320. (Conference Contributions - Published)

• Wells JPR. and Han TPJ. (2014) Picosecond Non-Radiative Relaxation Via Internal Conversion in Ca10(PO4)6F2:Cr4+. Materials Research Express 1(2): 25706-25706. http://dx.doi.org/10.1088/2053-1591/1/2/025706. (Journal Articles)

• Yamaga M., Tsuda S., Wells JPR. and Han TPJ. (2014) Dynamics processes between Sm2+, Sm3+ and color centers in KY3F10 : Sm crystals. Journal of Ceramic Processing Research (Korea) 15(3): 167-172. (Journal Articles)

• Yamaga M., Tsuda SI., Wells JPR. and Han TPJ. (2014) Dynamics processes between Sm²⁺, Sm³⁺ and color centers in KY3F10: Sm crystals. Journal of Ceramic Processing Research 15(3): 167-172. (Journal Articles)

• Hughes-Currie RB., Senanayake PS., Wells JPR., Reid MF., Berden G., Reeves RJ. and Meijerink A. (2013) Site-selective transient photoluminescence enhancement of impurity-trapped excitons in NaMgF3:Yb2+. Physical Review B - Condensed Matter and Materials Physics 88(10) 104304: 11. http://dx.doi.org/10.1103/PhysRevB.88.104304. (Journal Articles)

• Reid MF., Hughes-Currie RB., Ivanovskikh K., Senanayake PS., Wells JPR., Reeves RJ., Berden G. and Meijerink A. (2013) Excitonic states in rare-earth phosphor materials probed by free-electron lasers and synchrotron radiation. Nelson, New Zealand: New Zealand Institute of Physics Conference (NZIoP), 27-30 Sep 2013. (Conference Contributions - Other)

• Salkeld AJ., Hughes-Currie RB., Senanayake PS., Ivanovskikh KV., Reid MF., Wells JPR., Reeves RJ. and Meijerkink A. (2013) Energy levels and dynamics of CaF2:Yb2+ under UV and VUV excitation. Fuzhou, China: 18th International Conference on Dynamical Processes in Excited States of Solids (DPC'13), 4-9 Aug 2013. (Conference Contributions - Other)

• Salkeld AJ., Reid MF., Wells JPR., Sánchez-Sanz G., Seijo L. and Barandiarán Z. (2013) Effective Hamiltonian parameters for ab initio energy-level calculations of SrCl2:Yb2+ and CsCaBr3:Yb2+. Journal of Physics: Condensed Matter 25(41) 415504 http://dx.doi.org/10.1088/0953-8984/25/41/415504. (Journal Articles)

• Schreiber KU. and Wells JPR. (2013) Large Ring Lasers for Rotation Sensing. Review of Scientific Instruments 84 041101: 26. http://dx.doi.org/10.1063/1.4798216. (Journal Articles)

• Schreiber KU., Gebauer A. and Wells JPR. (2013) Closed-loop locking of an optical frequency comb to a large ring laser. Optics Letters 38(18): 3574-3577. http://dx.doi.org/10.1364/OL.38.003574. (Journal Articles)

• Senanayake P., Wells JPR., Reid MF., Berden G., Meijerink A. and Reeves RJ. (2013) Impurity Trapped Excitons and Electron Traps in CaF2:Yb2+ and SrF2:Yb2+ Probed by Transient Photoluminescence Enhancement. Journal of Luminescence 133: 81-85. http://dx.doi.org/10.1016/j.jlumin.2011.09.043. (Journal Articles)

• Wells JPR., Hurst RB., Stedman GE. and Schreiber KU. (2013) The Canterbury Ring Laser Project. Christchurch, New Zealand: The 3rd International Working Group on Rotational Seismology, 22-25 Sep 2013. (Conference Contributions - Other)

• Wells JPR., Senanayake PS., Hughes-Currie RB., Salkeld AJ., Reid MF., Berden G., Meijerink A., Ivanovskikh K. and Reeves RJ. (2013) Sequential excitation of bound excitons in ytterbium doped fluorided crystals. Fuzhou, China: 18th International Conference on Dynamical Processes in Excited States of Solids (DPC'13), 4-9 Aug 2013. (Conference Contributions - Other)

• Graham RD., Hurst RB., Schreiber KU. and Wells JPR. (2012) Mode selection in an ultralarge ring laser gyro. Applied Optics 51(22): 5591-5595. http://dx.doi.org/10.1364/AO.51.005591. (Journal Articles)

• Holdaway J., Hurst RB., Graham R., Rabeendran N., Schreiber KU. and Wells JPR. (2012) Self-locked operation of large He-Ne ring laser gyroscopes. Metrologia 49(3): 209-212. http://dx.doi.org/10.1088/0026-1394/49/3/209. (Journal Articles)

• Hughes-Currie RB., Reid MF., Wells JPR., Ivanovskikh K., Senanayake P., Berden G., Meijerink A. and Reeves RJ. (2012) FEL and synchrotron investigation of impurity-trapped excitons in two sites of Yb2+ doped NaMgF3. Udine, Italy: 8th International Conference on f-Elements (ICFE8), 26-31 Aug 2012. (Conference Contributions - Other)

• Reid MF., Wells JPR., Senanayake P., Hughes-Currie R., Berden G., Meijerink A., Salkeld AJ., Reeves RJ. and Duan CK. (2012) Two-colour excitation of impurity-trapped excitons in fluoride materials doped with Yb2+. Udine, Italy: 8th International Conference on f-Elements (ICFE8), 26-31 Aug 2012. (Conference Contributions - Other)

• Reid MF., Wells JPR., Senanayake P., Hughes-Currie R., Ivanovskikh KV., Berden G., Meijerink A., Salkeld AJ., Reeves RJ. and Duan CK. (2012) Free-electron laser and synchrotron studies of impurity-trapped excitons in fluoride materials. Belgrade, Serbia: 3rd International Conference on the Physics of Optical Materials and Devices (ICOM), 3-6 Sep 2012. (Conference Contributions - Other)

• Schreiber KU., Gebauer A. and Wells JPR. (2012) Long-term frequency stabilization of a 16 m(2) ring laser gyroscope. Optics Letters 37(11): 1925-1927. http://dx.doi.org/10.1364/OL.37.001925. (Journal Articles)

• Schreiber KU., Kluegel T., Wells JP., Holdaway J., Gebauer A. and Velikoseltsev A. (2012) Enhanced Ring Lasers: A New Measurement Tool for Earth Sciences. Quantum Electronics 42(11): 1045. http://dx.doi.org/10.1070/QE2012v042n11ABEH014616. (Journal Articles)

• Senanayake PS., Wells JPR., Reid MF., Berden G., Meijerink A. and Reeves RJ. (2012) Electron trap liberation in MgF2 doped with Yb2+ using a two-color excitation experiment. Applied Physics Letters 100(4) 041902: 4. http://dx.doi.org/10.1063/1.3678630. (Journal Articles)

• Velikoseltsev A., Schreiber KU., Yankovsky A., Wells JPR., Boronachin A. and Tkachenko A. (2012) On the application of fiber optic gyroscopes for detection of seismic rotations. Journal of Seismology 16(4): 623-637. (Journal Articles)

• Wells JPR., Jobson K. and Dijkhuis JI. (2012) Ultrafast Vibrational Dynamics of Amorphous Silicon Sub-Oxides. Khon Kaen, Thailand: NanoThailand 2012 “Nanotechnology for the benefit of mankind”, 9-11 Apr 2012. (Conference Contributions - Other)

• Yamaga M., Uno H., Tsuda S., Wells JPR. and Han TPJ. (2012) Resonant energy transfer and cross relaxation between Sm3+ ions in LiYF4 crystals. Journal of Luminescence 132(6): 1608-1617. http://dx.doi.org/10.1016/j.jlumin.2012.01.028. (Journal Articles)

• Bosi F., Cella G., Di Virgilio A., Ortolan A., Porzio A., Solimeno S., Cerdonio M., Zendri JP., Allegrini M. and Belfi J. (2011) Measuring gravitomagnetic effects by a multi-ring-laser gyroscope. Physical Review D: Particles, fields, gravitation, and cosmology 84(12): 122002. http://dx.doi.org/10.1103/PhysRevD.84.122002. (Journal Articles)

• Reid MF., Senanayake PS., Wells JPR., Berden G., Meijerink A., Salkeld AJ., Duan CK. and Reeves RJ. (2011) Transient photoluminescence enhancement as a probe of the structure of impurity-trapped excitons in CaF2:Yb2+. Physical Review B: Condensed Matter and Materials Physics 84(11) 113110: 4pp. http://dx.doi.org/10.1103/PhysRevB.84.113110. (Journal Articles)

• Schreiber KU., Klügel T., Wells JPR., Hurst RB. and Gebauer A. (2011) How to Detect the Chandler and the Annual Wobble of the Earth with a Large Ring Laser Gyroscope. Physical Review Letters 107(17) 173904: 4pp. http://dx.doi.org/10.1103/PhysRevLett.107.173904. (Journal Articles)

• Wells JPR., Reid MF., Senanayake P., Salkeld AJ., Reeves RJ., Meijerink A., Berden G. and Duan CK. (2011) Two Colour Excitation of Impurity Bound Excitons in CaF2 and SrF2 Doped with Yb2+. Gdansk, Poland: The Third International Workshop on Adavanced Spectroscopy and Optical Materials, 17-22 Jul 2011. (Conference Contributions - Other)

• Yamaga M., Nakamura T., Oda Y., Wells JPR. and Han TPJ. (2011) Dynamics and energy transfer of Sm2+ in KY3F10 crystals. Journal of Ceramic Processing Research 12(S3) s241-s245. (Journal Articles)

• Di Virgillo A., Schreiber KU., Gebauer A., Wells JPR., Tartaglia A., Belfi J., Beverini N. and Ortolan A. (2010) A Laser Gyroscope System to Detect the Gravito-Magnetic Effect on Earth. International Journal of Modern Physics D: Gravitation; Astrophysics and Cosmology 19(14): 2331-2343. http://dx.doi.org/10.1142/S0218271810018360. (Journal Articles)

• Reid MF., Wells JP., Reeves RJ., Senanayake PS., Reynolds AJ., Meijerink A., Bellocchi G., Berden G., Redlich B. and van der Meer L. (2010) Excited-state structure and dynamics of high-energy states in lanthanide materials. Argonne, IL, USA: 17th International Conference on Dynamical Processes in Excited States of Solids (DPC '10), 20-25 Jun 2010. (Conference Contributions - Other)

• Hurst RB., Stedman GE., Schreiber KU., Thirkettle RJ., Graham RD., Rabeendran N. and Wells JPR. (2009) Experiments with an 834m2 ring laser interferometer. Journal of Applied Physics 105(11): 113115. http://dx.doi.org/10.1063/1.3133245. (Journal Articles)

• Mujaji M. and Wells JPR. (2009) Spectroscopy and crystal-field analysis of KY3F10:Ho3+. Journal of Physics: Condensed Matter 21(25): 255402. http://dx.doi.org/10.1088/0953-8984/21/25/255402. (Journal Articles)

• Schreiber KU., Hautmann JN., Velikoseltsev A., Wassermann J., Igel H., Otero J., Vernon F. and Wells JPR. (2009) Ring Laser Measurements of Ground Rotations for Seismology. Bulletin of the Seismological Society of America 99(2B): 1190-1198. http://dx.doi.org/10.1785/0120080171. (Journal Articles)

• Schreiber KU., Klugel T., Velikoseltsev A., Schluter W., Stedman GE. and Wells JPR. (2009) The Large Ring Laser G for Continuous Earth Rotation Monitoring. Pure and Applied Geophysics 166(8-9): 1485. http://dx.doi.org/10.1007/s00024-004-0490-4. (Journal Articles)

• Wells JPR. and Jones GD. (2009) Hyperfine Splittings and Zeeman Infrared Absorption of Tb3+ Doped CaF2 and SrF2. Physical Review B: Condensed Matter and Materials Physics 80(11): 115105. http://dx.doi.org/10.1103/PhysRevB.80.115105. (Journal Articles)

• Wells JPR., Hurst RB. and Stedman GE. (2009) Rotation Sensing With Lasers. New Zealand Science Teacher 122: 27-29. [Magazine Article]. (Other)

• Brown J., Wells JPR., Kundys DO., Fox AM., Wang T., Parbrook PJ., Mowbray DJ. and Skolnick MS. (2008) Excitonic spin lifetimes in InGaN quantum wells and epilayers. Journal of Applied Physics 104(5): 53523. http://dx.doi.org/10.1063/1.2976344. (Journal Articles)

• Jobson KW., Wells JPR., Schropp REI., Vinh NQ. and Dijkhuis JI. (2008) Infrared transient grating measurements of the dynamics of hydrogen local mode vibrations in amorphous silicon-germanium. Journal of Applied Physics 103(1): 13106. http://dx.doi.org/10.1063/1.2822337. (Journal Articles)

• Jobson KW., Wells JPR., Vinh NQ., Phillips PJ., Pidgeon CR. and Dijkhuis JI. (2008) Mid-infrared pump-probe spectroscopy of Si-H stretch modes in porous silicon. Optical Materials 30(5): 740-742. http://dx.doi.org/10.1016/j.optmat.2007.02.024. (Journal Articles)

• Schreiber KU., Wells JPR. and Stedman GE. (2008) Noise processes in large ring lasers. General Relativity and Gravitation 40(5): 935-944. http://dx.doi.org/10.1007/s10714-007-0584-2. (Journal Articles)

• Hurst RB., Wells JPR. and Stedman GE. (2007) An elementary proof of the geometrical dependence of the Sagnac effect. Journal of Optics A: Pure and Applied Optics 9(10): 838-841. http://dx.doi.org/10.1088/1464-4258/9/10/010. (Journal Articles)

• Pritsch B., Schreiber KU., Velikoseltsev A. and Wells JPR. (2007) Scale-factor corrections in large ring lasers. Applied Physics Letters 91(6): 61115. http://dx.doi.org/10.1063/1.2768639. (Journal Articles)

• Bristow AD., Kundys DO., Garcia-Deniz AZ., Wells JPR., Fox AM., Skolnick MS., Whittaker DM., Tahraoui TF., Krauss TF. and Roberts JS. (2006) Enhanced all-optical tuning of leaky eigenmodes in photonic crystal waveguides. Optics Letters 31(15): 2284-2286. http://dx.doi.org/10.1364/OL.31.002284. (Journal Articles)

• Brown J., Wells JPR., Hashemizadeh SA., Parbrook PJ., Wang T., Fox AM., Mowbray DJ. and Skolnick MS. (2006) Fast spin relaxation in InGaN/GaN multiple quantum wells. Physica Status Solidi B: Basic Solid State Physics 243(7): 1643-1646. http://dx.doi.org/10.1002/pssb.200565271. (Journal Articles)

• Garcia-Deniz AZ., Murzyn P., Fox AM., Kundys DO., Wells JPR., Whittaker DM., Skolnick MS., Krauss TF. and Roberts JS. (2006) Ultrafast reflectivity modulation in AlxGa1-xAs/InyAlxGa1-x-yAs multiple quantum well photonic crystal waveguides. Physical Review B: Condensed Matter and Materials Physics 74(16): 165327. http://dx.doi.org/10.1103/PhysRevB.74.165327. (Journal Articles)

• Hashemizadeh SA., Wells JPR., Brown J., Murzyn P., Jones BD., Wang T., Parbrook PJ., Fox AM., Mowbray DJ. and Skolnick MS. (2006) Stimulated emission and carrier dynamics in AlInGaN multi-quantum wells. Physica Status Solidi C: Current Topics in Solid State Physics 3(6): 1958-1961. http://dx.doi.org/10.1002/pssc.200565370. (Journal Articles)

• Jobson KW., Wells JPR., Schropp REI., Carder DA., Phillips PJ. and Dijkhuis JI. (2006) Relaxation processes of the Ge-H stretch modes in hydrogenated amorphous germanium. Physical Review B: Condensed Matter and Materials Physics 73(15): 155202. http://dx.doi.org/10.1103/PhysRevB.73.155202. (Journal Articles)

• Jobson KW., Wells JPR., Schropp REI., Carder DA., Phillips PJ. and Dijkhuis JI. (2006) The similarities between amorphous silicon and germanium stretch mode dynamics. Lisbon, Portugal: 21st International Conference on Amorphous and Nanocrystalline Semiconductors, 4-9 Sep 2005. In Journal of Non-Crystalline Solids 352(9-20): 1268-1271. http://dx.doi.org/10.1016/j.jnoncrysol.2005.09.047. (Conference Contributions - Published)

• Jobson KW., Wells JPR., Schropp REI., Carder DA., Phillips PJ. and Dijkhuis JI. (2006) Time resolved spectroscopy of Ge-H stretching vibrations in hydrogenated amorphous germanium. Rathen, Germany: International Workshop on Infrared Microscopy and Spectroscopy with Accelerator-Based Sources, 26-30 Jun 2005. In Infrared Physics & Technology 49(1-2): 3-6. http://dx.doi.org/10.1016/j.infrared.2006.01.012. (Conference Contributions - Published)

• Jobson KW., Wells JPR., Vinh NQ., Phillips PJ., Pidgeon CR. and Dijkhuis JI. (2006) Ultrafast vibrational dynamics of hydrogen local modes in porous silicon. Gdansk, Poland: 1st International Workshop on Advanced Spectroscopy and Optical Materials, 11-14 Jun 2006. (Conference Contributions - Other)

• Jobson KW., Wells JPR., Vinh NQ., Phillips PJ., Pidgeon CR. and Dijkhuis JI. (2006) Vibrational relaxation pathways in porous silicon: A time-resolved infrared spectroscopic study. Physical Review B: Condensed Matter and Materials Physics 74(16): 165205. http://dx.doi.org/10.1103/PhysRevB.74.165205. (Journal Articles)

• Kundys DO., Murzyn P., Wells JPR., Tartakovskii AI., Skolnick MS., Dang LS., Lutsenko EV., Tarasuk NP., Lyublinskaya OG. and Toropov AA. (2006) The dynamics of amplified spontaneous emission in CdSe/ZnSe quantum dots. Journal of Applied Physics 100(12): 123510. http://dx.doi.org/10.1063/1.2402793. (Journal Articles)

• Kundys DO., Wells JPR., Andreev AD., Hashemizadeh SA., Wang T., Parbrook PJ., Fox AM., Mowbray DJ. and Skolnick MS. (2006) Resolution of discrete excited states in InxGa1-xN multiple quantum wells using degenerate four-wave mixing. Physical Review B: Condensed Matter and Materials Physics 73(16) 165309: 5pp. http://dx.doi.org/10.1103/PhysRevB.73.165309. (Journal Articles)

• Murzyn P., Garcia-Deniz AZ., Kundys DO., Fox AM., Wells JPR., Whittaker DM., Skolnick MS., Krauss TF. and Roberts JS. (2006) Control of the nonlinear carrier response time of AlGaAs photonic crystal waveguides by sample design. Applied Physics Letters 88(14): 141104. http://dx.doi.org/10.1063/1.2191955. (Journal Articles)

• Olaizola SM., Fan WH., Hashemizadeh SA., Wells JPR., Mowbray DJ., Skolnick MS., Fox AM. and Parbrook PJ. (2006) Time-resolved photoluminescence studies of carrier diffusion in GaN. Applied Physics Letters 89(7): 72107. http://dx.doi.org/10.1063/1.2335957. (Journal Articles)

• Sellars IR., Mowbray DJ., Badcock TJ., Wells JPR., Phillips PJ., Carder DA., Liu HY., Groom KM. and Hopkinson M. (2006) Infrared modulated interlevel spectroscopy of 1.3 μm self-assembled quantum dot lasers using a free electron laser. Applied Physics Letters 88(8): 81108. http://dx.doi.org/10.1063/1.2177656. (Journal Articles)

• Wells JPR., Grinberg M., Wynne K. and Han TPJ. (2006) Femtosecond pump-probe measurements of non-radiative relaxation in LiAlO2:V3+. Journal of Physics: Condensed Matter 18(16): 3967-3974. http://dx.doi.org/10.1088/0953-8984/18/16/006. (Journal Articles)

• Brown J., Wells JPR., Hashemizadeh SA., Kundys DO., Parbrook PJ., Wang T., Fox AM., Mowbray DJ. and Skolnick MS. (2005) Fast Spin Relaxation in InGaN/GaN Multiple Quantum Wells. Bremen, Germany: 6th International Conference on Nitride Semiconductors, 28 Aug 2005. (Conference Contributions - Other)

• Hashemizadeh SA., Wells JPR., Murzyn P., Brown J., Jones BD., Wang T., Parbrook PJ., Fox AM., Mowbray DJ. and Skolnick MS. (2005) Picosecond Carrier Dynamics in AlInGaN Multiple Quantum Wells. Applied Physics Letters 87 232106: 3pp. http://dx.doi.org/10.1063/1.2137990. (Journal Articles)

• Jobson KW., Wells JPR., Schropp REI., Carder DA., Phillips PJ. and Dijkhuis JI. (2005) Non-exponential vibrational relaxation in hydrogenated amorphous germanium. Rathen, Germany: 3rd International Conference on Spectroscopy and Microscopy with Accelerator Based Sources, 20 Jun 2005. (Conference Contributions - Other)

• Murzyn P., Garcia-Déniz AZ., Fox AM., Wells JPR., Whittaker DM., Skolnick MS., Krauss TF. and Roberts JS. (2005) Ultrafast Nonlinear Response of AlGaAs/InAlGaAs MQW Photonic Crystal Waveguides. Physica Status Solidi (a) 202(14): 2653-2656. (Journal Articles)

• Wells JPR. and Jones GD. (2005) Dynamics of H- Local-Mode Vibrations in LaF3, CeF3, PrF3 and NdF3 Crystals. Physical Review B: Condensed Matter and Materials Physics 71(1) 14306: 7pp. http://dx.doi.org/10.1103/PhysRevB.71.014306. (Journal Articles)

• Zibik EA., Wilson LR., Green RP., Bastard G., Ferreira R., Phillips PJ., Carder DA., Wells JPR., Skolnick MS. and Cockburn JW. (2005) The polaronic nature of intraband relaxation in InAs/GaAs self-assembled quantum dots. Physica E: Low-dimensional Systems and Nanostructures 26(1-4): 408-412. http://dx.doi.org/10.1016/j.physe.2004.08.011. (Journal Articles)

• Bristow AD., Kundys DO., Garcia-Deniz AZ., Wells JPR., Fox AM., Skolnick MS., Whittaker DM., Tahraoui A., Krauss TF. and Roberts JS. (2004) Ultrafast nonlinear tuning of the reflection properties of AlGaAs photonic crystal waveguides by two-photon Absorption. Journal of Applied Physics 96(9): 4729-4735. http://dx.doi.org/10.1063/1.1790569. (Journal Articles)

• Child RA., Nicholas RJ., Mason NJ., Shields P., Wells JPR., Bradley IV., Phillips J. and Murdin BN. (2004) Far Infrared Modulated Photoluminescence in InSb Quantum Dots. Physica E: Low-dimensional Systems and Nanostructures 22(1-3): 59-602. http://dx.doi.org/10.1016/j.physe.2003.12.079. (Journal Articles)

• Child RA., Nicholas RJ., Mason NJ., Shields PA., Wells JPR., Bradley IV., Phillips J. and Murdin BN. (2004) Far Infrared Modulated Photoluminescence Spectroscopy of InSb/GaSb Quantum Dot Structures. Physical Review B 68(16): 165307-165311. http://dx.doi.org/10.1103/PhysRevB.68.165307. (Journal Articles)

• Fan WH., Olaizola SM., Wells JPR., Fox AM., Wang T., Parbrook PJ., Mowbray DJ. and Skolnick MS. (2004) Femtosecond Studies of Carrier Capture in InGaN/GaN Multiple Quantum. Applied Physics Letters 84(16): 3052-3054. http://dx.doi.org/10.1063/1.1707226. (Journal Articles)

• Halsall MP., Dunbar ADF., Shiraki Y., Miura M. and Wells JPR. (2004) Hole confinement and dynamics in δ-doped Ge quantum dots. Journal of Luminescence 108(1-4): 329-332. http://dx.doi.org/10.1016/j.jlumin.2004.01.069. (Journal Articles)

• Halsall MP., Zheng WM., Harrison P., Wells JPR. and Steer MJ. (2004) Binding energy and dynamics of Be acceptor levels in AlAs/GaAs multiple quantum wells. Journal of Luminescence 108(1-4): 181-184. http://dx.doi.org/10.1016/j.jlumin.2004.01.039. (Journal Articles)

• Jones GD. and Wells JPR. (2004) Vibrational Linewidths and Dephasing of H- Local Modes in Disordered Calcium Fluoride. Journal of Luminescence 108(1-4): 221-224. http://dx.doi.org/10.1016/j.jlumin.2004.01.047. (Journal Articles)

• Munyeme G., Wells JPR., van der Meer LFG., Dijkhuis JI., van der Weg WF. and Schropp REI. (2004) Stability of Deuterated Amorphous Silicon Solar Cells. Journal of Non-Crystalline Solids 338-340: 291-294. http://dx.doi.org/10.1016/j.jnoncrysol.2004.02.089. (Journal Articles)

• Murzyn P., Pidgeon CR., Phillips PJ., Wells JPR., Gordon NT., Ashley T., Jefferson JH., Burke TM., Giess J. and Merrick M. (2004) Electron Spin Lifetimes in Hg0.78Cd0.22Te and InSb. Physica E: Low-dimensional Systems and Nanostructures 20(3-4): 220-223. http://dx.doi.org/10.1016/j.physe.2003.08.007. (Journal Articles)

• Tartakovski AI., Makhonin MN., Steer MJ., Groom KM., Cahill J., Whittaker DM., Wells JPR., Fox AM., Skolnick MS. and Hopkinson M. (2004) Precise Measurement of the Fraction of Charged Dots in Self Assembled Quantum Dot Ensembles Using Ultrafast Pump-Probe Techniques. Applied Physics Letters 85(12): 2226-2229. http://dx.doi.org/10.1063/1.1796524. (Journal Articles)

• Tartakovskii AI., Cahill J., Makhonin MN., Whittaker DM., Wells JPR., Fox AM., Mowbray DJ., Skolnick MS., Groom KM. and Steer MJ. (2004) Dynamics of Coherent and Incoherent Spin Polarisations in Ensembles of Quantum Dots. Physical Review Letters 93(5) 57401: 4pp. (Journal Articles)

• Tartakovskii AI., Makhonin MN., Sellars IR., Cahill J., Andreev AD., Whittaker DM., Wells JPR., Fox AM., Mowbray DJ. and Skolnick MS. (2004) Effect of Thermal Annealing and Strain Engineering on the Fine Structure of Quantum Dot Excitons. Physical Review B 70(19): 193303-193306. http://dx.doi.org/10.1103/PhysRevB.70.193303. (Journal Articles)

• Wells JPR., Carder DA., Phillips PJ., Schropp REI. and Dijkhuis JI. (2004) Ultrafast spectroscopy of localized vibrational modes in amorphous silicon using a free electron laser. St Petersburg, Russia: 11th International Conference on Phonon Scattering in Condensed Matter, 25 Jul 2004. (Conference Contributions - Other)

• Wells JPR., Jones GD., Carder DA. and Phillips PJ. (2004) Free electron laser studies of local mode linewidths in SrF2:Gd3+:H-. Physica status solidi (c) 1(11): 3011-3014. (Journal Articles)

• Wells JPR., Jones GD., Reid MF., Popova MN. and Chukalina E. (2004) Hyperfine patterns of infrared absorption lines of Ho3+ C4v centres in CaF2. Molecular Physics 102(11-12): 1367-1376. http://dx.doi.org/10.1080/00268970410001728555. (Journal Articles)

• Wells JPR., Lidzey DG., Phillips PJ., Carder DA. and Fox AM. (2004) Ultrafast measurements of vibrational relaxation in the conjugated polymer poly(9,9-dioctylfluorene). Applied Physics Letters 85(15): 3080-3082. (Journal Articles)

• Wells JPR., Phillips PJ., Tomozeiu N., Habraken FHPM. and Dijkhuis JI. (2004) Degenerate Four-Wave Mixing Spectroscopy of Oxygen Vibrations in Amorphous Silicon. Journal of Luminescence 108: 173-176. http://dx.doi.org/10.1016/j.jlumin.2004.01.037. (Journal Articles)

• Wells JPR., Schropp REI., van der Meer LFG. and Dijkhuis JI. (2004) Picosecond Vibrational Dynamics and Stability of Deuterated Amorphous Silicon Thin Films. San Jose, CA, USA: Ultrafast Phenomena in Semiconductors and Nanostructure Materials VIII, 26 Jan 2004. In Proceedings of SPIE 5352: 250. (Conference Contributions - Published)

• Wells JPR., Schropp REI., van der Meer LFG. and Dijkhuis JI. (2004) Ultrafast vibrational dynamics and stability of deuterated amorphous silicon. San Diego, CA, USA: Photonics West: Ultrafast Phenomena in Semiconductors and Nanostructure Materials VIII, 26 Jan 2004. (Conference Contributions - Other)

• Wells JPR., van Hattum ED., Schropp REI., Phillips PJ., Carder DA., Habraken FHPM. and Dijkhuis JI. (2004) Ultrafast spectroscopy of localised vibrational modes in amorphous silicon using a free electron laser. Physica status solidi (b) 241(15): 3474-3479. (Journal Articles)

• Yamaga M., Wells JPR., Honda N., Han TPJ. and Henderson B. (2004) Investigation on the valence of Cr ions in LiAlO2. Journal of Luminescence 108(1-4): 313-317. http://dx.doi.org/10.1016/j.jlumin.2004.01.066. (Journal Articles)

• Yamaga M., Yabashi S., Masui Y., Honda N., Sarukura N., Wells JPR. and Jones GD. (2004) Optical, infrared and EPR spectroscopy of CaF2:Ce3+ crystals co-doped with Li+ or Na+. Journal of Luminescence 108(1-4): 307-311. http://dx.doi.org/10.1016/j.jlumin.2004.01.065. (Journal Articles)

• Zibik EA., Green RP., Wilson LR., Wells JPR., Phillips PJ., Carder DA., Cockburn JW., Steer MJ. and Hopkinson M. (2004) AlAs-like TO-phonon dephasing time in high Al content AlGaAs. Physica status solidi (c) 1(11): 2686-2689. (Journal Articles)

• Zibik EA., Wilson LR., Green RP., Bastard G., Ferreira R., Phillips PJ., Carder DA., Wells JPR., Cockburn JW. and Skolnick MS. (2004) Intraband relaxation via polaron decay in InAs self-assembled quantum dots. Physical Review B - Condensed Matter and Materials Physics 70(16) 161305: 1-4. http://dx.doi.org/10.1103/PhysRevB.70.161305. (Journal Articles)

• Zibik EA., Wilson LR., Green RP., Bastard G., Ferreira R., Wells JPR., Phillips PJ., Carder DA., Cockburn JW. and Skolnick MS. (2004) Polaron decay and inter-level transfer in InAs/GaAs self-assembled quantum dots. Physica status solidi (c) 1(11): 2613-2616. (Journal Articles)

• Zibik EA., Wilson LR., Green RP., Wells JPR., Phillips PJ., Carder DA., Cockburn JW., Skolnick MS., Steer MJ. and Liu HY. (2004) Polaron Relaxation Channel in InAs/GaAs Self Assembled Dots. Semiconductor Science and Technology 19(4) S316-S318 http://dx.doi.org/10.1088/0268-1242/19/4/105. (Journal Articles)

• Zibik EA., Wilson LR., Green RP., Wells JPR., Phillips PJ., Carder DA., Cockburn JW., Skolnick MS., Steer MJ. and Liu HY. (2004) Polaron Relaxation Dynamics in InAs/GaAs Self Assembled Dots. Physica E Low-dimensional Systems and Nanostructures 21(2-4): 405-408. http://dx.doi.org/10.1016/j.physe.2003.11.065. (Journal Articles)

• Bristow AD., Wells JPR., Fan WH., Fox AM., Skolnick MS., Whittacker DM., Tahraoui A. and Krauss TF. (2003) Ultrafast nonlinear response of AlGaAs two-dimensional photonic crystal waveguides. Applied Physics Letters 83(5): 851-853. http://dx.doi.org/10.1063/1.1598647. (Journal Articles)

• Fan WH., Olaizola SM., Wang T., Parbrook PJ., Wells JPR., Mowbray DJ., Skolnick MS. and Fox AM. (2003) Carrier Capture Time in InGaN/GaN Multiple Quantum Wells. physica status solidi (b) 240(2): 364-367. http://dx.doi.org/10.1002/pssb.200303389. (Journal Articles)

• Forcales M., Gregorkiewicz T., Bresler MS., Gusev OB., Bradley IV. and Wells JPR. (2003) Microscopic model for nonexcitonic mechanism of 1.5-μm photoluminescence of the Er3+ ion in crystalline Si. Physical Review B 67(8): 085303-85313. http://dx.doi.org/10.1103/PhysRevB.67.085303. (Journal Articles)

• Forcales M., Kilk MAJ., Vinh NQ., Phillips J., Wells JPR. and Gregorkiewicz T. (2003) Two-Colour Mid-Infrared Spectroscopy of Optically Doped Semiconductors. Journal of Luminescence 102-103: 85-90. http://dx.doi.org/10.1016/S0022-2313(02)00498-2. (Journal Articles)

• Halsall MP., Harmer P., Parbrook PJ., Wang T. and Wells JPR. (2003) Photoluminescence of Single InGaN Quantum Dots Grown at Low Surface Densities by MOPVE. physica status solidi (a) (a) 195: 3. (Journal Articles)

• Jones GD. and Wells JPR. (2003) Picosecond Lifetimes and Infrared Spectroscopy of Hydrogenic Sites in KY3F10 and LiYF4. Journal of Luminescence 102-103(169): 169-172. http://dx.doi.org/10.1016/S0022-2313(02)00484-2. (Journal Articles)

• Klik MAJ., Wells JPR. and Gregorkiewicz T. (2003) Photoluminescence Quenching in InP:Yb with a Free-Electron Laser. Applied Surface Science 208-209: 23-26. http://dx.doi.org/10.1016/S0169-4332(02)01279-5. (Journal Articles)

• Murzyn P., Pidgeon CR., Phillips PJ., Wells JPR., Gordon NT., Ashley T., Jefferson JH., Burke TM. and Giess J. (2003) Electron Spin Lifetimes in Long-Wavelength Hg1-xCdxTe and InSb at Elevated Temperature. Physical Review B: Condensed Matter and Materials Physics 67(23) 235202: 5pp. http://dx.doi.org/10.1103/PhysRevB.67.235202. (Journal Articles)

• Paul DJ., Lynch SA., Bates R., Ikonic Z., Kelsall RW., Harrison P., Norris DJ., Liew SL., Cullis AG. and Arnone DD. (2003) Si/SiGe Quantum-Cascade Emitters for Terahertz Applications. Physica E Low-dimensional Systems and Nanostructures 16(1): 147-155. http://dx.doi.org/10.1016/S1386-9477(02)00590-8. (Journal Articles)

• Pidgeon CR., Murzyn P., Wells JPR., Ikonic Z., Kelsall RW., Harrison P., Lynch SA., Paul DJ., Arnone DD. and Robbins DJ. (2003) THz Intersubband Dynamics in p-Si/SiGe Quantum Well Emitter Structures. physica status solidi (b) 237(1): 381-385. http://dx.doi.org/10.1002/pssb.200301784. (Journal Articles)

• Wells JPR. (2003) Degenerate four wave mixing spectroscopy of oxygen vibrations in amorphous silicon. Christchurch, New Zealand: The 14th International Conference on Dynamical Processes in the Excited States of Solids, 4 Aug 2003. (Conference Contributions - Other)

• Wells JPR., Phillips PJ., Tomozeiu N., Habraken FHPM. and Dijkhuis JI. (2003) Infrared Transient Grating and Photon Echo Spectroscopy of Oxygen Vibrational Modes in Amorphous Silicon Thin Films. Physical Review B: Condensed Matter and Materials Physics 68(11) 115207: 5pp. http://dx.doi.org/10.1103/PhysRevB.68.115207. (Journal Articles)

• Wells JPR., Yamaga M., Han TPJ. and Honda M. (2003) Electron Paramagnetic Resonance and Optical Properties of Cr3+ Doped YAl3(BO3)4. Journal of Physics: Condensed Matter 15(3): 539-547. (Journal Articles)

• Wojak M., Klik MAJ., Forcales M., Gregorkiewicz T., Wells JPR., Pakula K., Baranowski JM. and Porowski S. (2003) Photoluminescence of GaN Layers Studied With Two-Colour Spectroscopy. Solid-State Electronics 47(3): 579-581. http://dx.doi.org/10.1016/S0038-1101(02)00417-3. (Journal Articles)

• Zheng WM., Halsall MP., Harrison P., Wells JPR., Bradley IV. and Steer MJ. (2003) Effect of Quantum-Well Confinement on Acceptor State Lifetime in Delta-Doped GaAs/AlAs Multiple Quantum Wells. Applied Physics Letters 83(18): 3719. (Journal Articles)

• Zheng WM., Halsall MP., Harrison P., Wells JPR., Bradley IV. and Steer MJ. (2003) Picosecond Time-Resolved Studies of Excited State Lifetimes of Be Acceptors in GaAs/AlAs Multiple Quantum Wells. physica status solidi (b) 235(1): 54-57. http://dx.doi.org/10.1002/pssb.200301527. (Journal Articles)

• Clarke DG., Pidgeon CR., Wells JPR., Bradley IV., Murray R. and Murdin BN. (2002) Double Resonance Study of Hole Burning in Self Assembled Quantum Dots. Physica B Condensed Matter 314(1-4): 474-476. http://dx.doi.org/10.1016/S0921-4526(01)01413-2. (Journal Articles)

• Forcales M., Bradley IV., Wells JPR. and Gregorkiewicz T. (2002) Temporal Characteristics of the Optical Storage Effect in Si:Er. Solid State Phenomena 82-84: 623-628. http://dx.doi.org/10.4028/www.scientific.net/SSP.82-84.623. (Journal Articles)

• Forcales M., Gregorkiewicz T., Bradley IV. and Wells JPR. (2002) Afterglow effect in photoluminescence of Si:Er. Physical Review B 65(19): 195208-195216. http://dx.doi.org/10.1103/PhysRevB.65.195208. (Journal Articles)

• Jones GD. and Wells JPR. (2002) Picosecond lifetimes and infrared spectroscopy of hydrogenic sites in KY3F10 and LiYF4. Budapest, Hungary: Proceedings of the 2002 International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, 24 Aug 2002. In Journal of Luminescence 102-103: 169-172. http://dx.doi.org/10.1016/S0022-2313(02)00484-2. (Conference Contributions - Published)

• Klik MAJ., Gregorkiewicz T., Bradley IV. and Wells JPR. (2002) Optically Induced Deexcitation of Rare-Earth Ions in a Semiconductor Matrix. Physical Review Letters 89(22) 227401: 4pp. (Journal Articles)

• Murdin BN., Adams AR., Murzyn P., Pidgeon CR., Bradley IV., Wells JPR., Matsuda YH., Miura N., Burke T. and Johnson AD. (2002) Band Anticrossing in Dilute InNxSb1-x. Applied Physics Letters 81(2): 256-258. http://dx.doi.org/10.1063/1.1493663. (Journal Articles)

• Murzyn P., Pidgeon CR., Wells JPR., Bradley IV., Ikonic Z., Kelsall RW., Harrison P., Lynch SA., Paul DJ. and Arnone DD. (2002) Picosecond Intersubband Dynamics in p-Si/SiGe Quantum Well Emitter Structures. Applied Physics Letters 80(8): 1456-1458. http://dx.doi.org/10.1063/1.1452794. (Journal Articles)

• Pidgeon CR., Murzyn P., Wells JPR., Bradley IV., Ikonic Z., Kelsall RW., Harrison P., Lynch SA., Paul DJ. and Arnone DD. (2002) THz Intersubband Dynamics in p-Si/SiGe Quantum Well Structures. Physica E: Low-dimensional Systems and Nanostructures 13(2-4): 904-907. http://dx.doi.org/10.1016/S1386-9477(02)00231-X. (Journal Articles)

• Pidgeon CR., Murzyn P., Wells JPR., Gordon NT., Ashley T., Jefferson JH., Burke TM., Maxey CD. and Murdin BN. (2002) Electron Spin Coherence in Long Wavelength Hg1-xCdxTe. San Diego, CA, USA: Twenty Seventh International Conference on Infrared and Millimetre Waves, 22 Sep 2002. In Twenty Seventh International Conference on Infrared and Millimetre Waves, Conference Digest: 25-26. (Conference Contributions - Published)

• Tan HA., Xin ZJ., Rutt HN., Wells JPR. and Bradley IV. (2002) Intersubband Lifetimes and Free Carrier Effects in Optically Pumped Far Infrared Quantum Wells Laser Structures. Semiconductor Science and Technology 17: 645-650. http://dx.doi.org/10.1088/0268-1242/17/7/301. (Journal Articles)

• Wells JPR., Dean T. and Reeves RJ. (2002) Site selective spectroscopy of the C3v symmetry centre in Er3+ doped BaF2. Journal of Luminescence 96(2-4): 239-248. http://dx.doi.org/10.1016/S0022-2313(01)00230-7. (Journal Articles)

• Wells JPR., Schropp REI., van der Meer LFG. and Dijkhuis JI. (2002) Picosecond Infrared Transient Grating and Vibrational Echo Spectroscopy of Deuterated Amorphous Silicon Thin Films. Edinburgh, UK: 26th International Conference on the Physics of Semiconductors, 29 Jul 2002. (Conference Contributions - Other)

• Wells JPR., Schropp REI., van der Meer LFG. and Dijkhuis JI. (2002) Ultrafast Vibrational Dynamics and Stability of Deuterated Amorphous Silicon. Physical Review Letters 89(12): 125504-125507. http://dx.doi.org/10.1103/PhysRevLett.89.125504. (Journal Articles)

• Yamaga M., Honda M., Kawamata N., Samejima K. and Wells JPR. (2002) The Role of Li+ and Na+ Charge Compensators in Sm3+ doped CaF2 and SrF2. EPR in the 21st Century: Basics and Applications to Materials, Life and Earth Sciences : 201. (Journal Articles)

• Yamaga M., Inoue T., Yabasi S., Honda M., Wells JPR., Shimamura K. and Fukuda T. (2002) Site Symmetry and Crystal Field Splittings of Ce3+ in LiLuF4 and LiSr0.8Ca0.2AlF6. Radiation Effects and Defects in Solids 157(6-12): 977-982. http://dx.doi.org/10.1080/10420150215760. (Journal Articles)

• Bradley IV., Murzyn P., Murdin BN., Wells JPR., Clarke DG., Stradling RA. and Pidgeon CR. (2001) Multi phonon emission in InAs quantum wells studied with a free electron laser and high pulsed magnetic fields. Journal of Luminescence 94-95: 707-711. http://dx.doi.org/10.1016/S0022-2313(01)00354-4. (Journal Articles)

• Burke TM., Kane M., Johnson AD., Pryce G., Findlay P., Nott GJ., Crowder JG., Pidgeon CR., Bradley IV. and Wells JP. (2001) InSb1-xNx Alloys for Long Wavelength Infrared Detectors and Emitters. Ishikawa, Japan: 10th International Conference on Narrow Gap Semiconductors and Related Small Energy Phenomena, Physics and Applications, 27 May 2001. In Proceedings of the 10th International Conference on Narrow Gap Semiconductors and Related Small Energy Phenomena, Physics and Applications. IPAP Conference Series 2: 296. (Conference Contributions - Published)

• Clarke DG., Murdin BN., Barker JA., Findlay PC., Pidgeon CR., Wells JPR., Bradley IV. and Murray R. (2001) Resonant Far-Infrared Laser Induced Photoluminescence Line Narrowing in InAs/GaAs Self Assembled Quantum Dots. Osaka, Japan: 25th International Conference on the Physics of Semiconductors, 17 Sep 2000. In Proceedings of the 25th International Conference on the Physics of Semiconductors, Pts I and II. Springer Proceedings in Physics 87: 1305. (Conference Contributions - Published)

• Forcales M., Bradley IV., Wells JPR. and Gregorkiewicz T. (2001) Mid-infrared induced quenching of photoluminescence in Si:Er. Materials Science and Engineering B 81(1-3): 80-82. http://dx.doi.org/10.1016/S0921-5107(00)00741-8. (Journal Articles)

• Forcales M., Bradley IV., Wells JPR. and Gregorkiewicz T. (2001) Time Resolved Investigation of the Mid-Infrared-Induced Enhancement of Er3+ in Si. Physica B Condensed Matter 308-310: 337-339. http://dx.doi.org/10.1016/S0921-4526(01)00692-5. (Journal Articles)

• Forcales M., Kilk M., Vinh NQ., Bradley IV., Wells JPR. and Gregorkiewicz T. (2001) Free-Electron Laser Studies of Energy Transfer Mechanisms in Semiconductors Doped With Transition Series Ions. Journal of Luminescence 94-95: 243-248. http://dx.doi.org/10.1016/S0022-2313(01)00287-3. (Journal Articles)

• Halsall MP., Harrison P., Wells JPR., Bradley IV. and Pellemans H. (2001) Picosecond Far-Infrared Studies of Intra-Acceptor Dynamics in Bulk GaAs and Delta-Doped AlAs/GaAs Quantum Wells. Physical Review B 63(15): 155314 (5pp. http://dx.doi.org/10.1103/PhysRevB.63.155314. (Journal Articles)

• Jones GD., Sung JY., Hulme T., Ing LS., Bradley IV. and Wells JPR. (2001) Infrared Absorption of H- and D- in the Alkaline-Earth Fluorides. Journal of Physics: Condensed Matter 13: 2127-2135. http://dx.doi.org/10.1088/0953-8984/13/10/307. (Journal Articles)

• Klik MAJ., Bradley IV., Wells JPR. and Gregorkiewicz T. (2001) Optically Induced Auger Recombination of Yb3+ in P-Type InP. Physica B Condensed Matter 308-310: 884-887. http://dx.doi.org/10.1016/S0921-4526(01)00946-2. (Journal Articles)

• Murdin BN., Adams AR., Murzyn P., Pidgeon CR., Bradley IV., Wells JPR., Matsuda YH., Miura N., Burke T. and Johnson AD. (2001) Effective Mass Enhancement in Dilute InNxSb1-x. Ishikawa, Japan: 10th International Conference on Narrow Gap Semiconductors and Related Small Energy Phenomena, Physics and Applications, 27 May 2001. In Proceedings of the 10th International Conference on Narrow Gap Semiconductors and Related Small Energy Phenomena, Physics and Applications. IPAP Conference Series 2: 297. (Conference Contributions - Published)

• Murdin BN., Kamal-Saadi M., Lindsay A., O'Reilly EP., Adams AR., Nott GJ., Crowder JG., Pidgeon CR., Bradley IV. and Wells JPR. (2001) Auger Recombination in Long-Wavelength Infrared InNxSb1-x Alloys. Applied Physics Letters 78(11): 1568-1570. http://dx.doi.org/10.1063/1.1355301. (Journal Articles)

• Pidgeon CR., Findlay PC., Murdin BN., Kamal-Saadi M., O'Reilly E., Adams AR., Wells JPR., Bradley IV., Burke T. and Johnson AD. (2001) Auger Recombination in InNxSb1-x at Long Wavelength. Osaka, Japan: 25th International Conference on the Physics of Semiconductors, 17 Sep 2000. In Proceedings of the 25th International Conference on the Physics of Semiconductors, Pts I and II. Springer Proceedings in Physics 87: 1667. (Conference Contributions - Published)

• Wang G., Lin Z., Hu Z., Han TPJ., Gallagher HG. and Wells JPR. (2001) Crystal Growth and Optical Assessment of Nd3+:GdAl3(BO3)4 Crystal. Journal of Crystal Growth 233(4): 755-760. http://dx.doi.org/10.1016/S0022-0248(01)01613-X. (Journal Articles)

• Wells JPR. (2001) Infrared coherent transient spectroscopy of vibrations in solids using FEL’s. Windermere, England: Rank Prize Funds mini-symposium on Applications of Free Electron Lasers, 17 Sep 2001. (Conference Contributions - Other)

• Wells JPR. and Reeves RJ. (2001) Polarized Laser Selective Excitation and Zeeman Infrared Absorption of C4v and C3v Symmetry Centers in Eu3+ Doped CaF2, SrF2 and BaF2. Physical Review B 64(3): 5102-5111. http://dx.doi.org/10.1103/PhysRevB.64.035102. (Journal Articles)

• Wells JPR., Bradley IV. and Pidgeon CR. (2001) Coherent Dynamics of H- Local Modes in the Alkaline Earth Fluorides. Journal of Luminescence 94-95: 725-728. http://dx.doi.org/10.1016/S0022-2313(01)00368-4. (Journal Articles)

• Wells JPR., Bradley IV., Jones GD. and Pidgeon CR. (2001) Free-electron-laser studies of the relaxation of H- and D- local modes in CaF2, SrF2, and BaF2. Physical Review B: Condensed Matter 64(14) 144303: 7pp. http://dx.doi.org/10.1103/PhysRevB.64.144303. (Journal Articles)

• Wells JPR., Bradley IV., Jones GD. and Pidgeon CR. (2001) Population Dynamics of H- Local Modes in CaF2:Lu3+ Crystals Studied Using a Free-electron Llaser. Journal of Physics: Condensed Matter 13: 2137-2145. http://dx.doi.org/10.1088/0953-8984/13/10/308. (Journal Articles)

• Wells JPR., Jones GD., Bradley IV. and Pidgeon CR. (2001) Picosecond Infrared Studies of H- Local Modes in LaF3. Journal of Luminescence 94-95: 729-732. http://dx.doi.org/10.1016/S0022-2313(01)00373-8. (Journal Articles)

• Findlay PC., Wells JPR., Bradley IV., Pidgeon CR., Murdin BN., Yang MJ., Vurgaftman I. and Meyer JR. (2000) Suppression of Auger Recombination in Long Wavelength Quantum Well ‘W’ Structure Lasers. Physical Review B 62(15): 10295-10300. http://dx.doi.org/10.1103/PhysRevB.62.10297. (Journal Articles)

• Murdin BN., Hollingworth AR., Barker JA., Findlay PC., Clarke D., Pidgeon CR., Wells JPR., Bradley IV., Malik S. and Murray R. (2000) Double-resonance spectroscopy of InAs/GaAs self-assembled quantum dots. Physical Review B 62(12) R7755-R7758 http://dx.doi.org/10.1103/PhysRevB.62.R7755. (Journal Articles)

• Nott GJ., Findlay PC., Crowder JG., Pidgeon CR., Elliot CT., Ashley T., Johnson AD., Wells JPR., Bradley IV. and Murdin BN. (2000) Direct Determination of Shockley-Read-Hall Trap Density in InSb/InAlSb Detectors. Journal of Physics: Condensed Matter 12: L731-L734. http://dx.doi.org/10.1088/0953-8984/12/50/101. (Journal Articles)

• Pidgeon CR., Wells JPR., Bradley IV. and Murdin BN. (2000) Double Resonance and Four Wave Mixing FEL Studies of InAs/GaAs Quantum Dots and Local Modes in Ionic Crystals. Beijing, China: Twenty fifth International Conference on Infrared and Millimeter Waves, 12 Sep 2000. In Twenty fifth International Conference on Infrared and Millimeter Waves Conference Digest: 163. (Conference Contributions - Published)

• Wells JPR. (2000) IR four wave mixing spectroscopy of H- local modes in alkaline earth fluoride crystals. Montreux, Switzerland: 18th General Conference of the Condensed Matter Division of the European Physical Society, 13 Mar 2000. (Conference Contributions - Other)

• Wells JPR. and Reeves RJ. (2000) Polarised laser-selective excitation and Zeeman infra-red absorption of Sm2+ centres in CaF2 and SrF2 crystals. Phys. Rev. B 61(20): 13593. (Journal Articles)

• Wells JPR. and Reeves RJ. (2000) Polarized Laser-Selective Excitation and Zeeman Infrared Absorption of Sm3+ Centers in CaF2 and SrF2 Crystals. Physical Review B 61(20): 13593-13608. http://dx.doi.org/10.1103/PhysRevB.61.13593. (Journal Articles)

• Wells JPR., Gallagher HG. and Han TPJ. (2000) Crystal Growth and Spectroscopy of Er3+ Ions in Calcium Gallogermanate. Journal of Crystal Growth 217(3): 302-310. http://dx.doi.org/10.1016/S0022-0248(00)00485-1. (Journal Articles)

• Wells JPR., Han TPJ., Yamaga M., Kodama N. and Gallagher HG. (2000) Disordered Laser Gain Media: Er3+ Doped CaGdAlO4 and Ca3Ga2Ge4O14. Journal of Luminescence 87-89: 1093-1095. http://dx.doi.org/10.1016/S0022-2313(99)00552-9. (Journal Articles)

• Wells JPR., Rella CW., Bradley IV., Galbraith I. and Pidgeon CR. (2000) Coherent Dynamics of the Localized Vibrational Modes of Hydrogen in CaF2. Physical Review Letters 84(21): 4998-5001. (Journal Articles)

• Wells JPR., Sugiyama A., Han TPJ. and Gallagher HG. (2000) A Spectroscopic Comparison of Samarium-Doped LiYF4 and KY3F10. Journal of Luminescence 87-89: 1029-1031. http://dx.doi.org/10.1016/S0022-2313(99)00519-0. (Journal Articles)

• Wells JPR., Yamaga M., Han TPJ. and Gallagher HG. (2000) Infrared Absorption, Laser Excitation and Crystal-Field Analyses of the C4v Symmetry Center in KY3F10 Doped With Pr3+. Journal of Physics: Condensed Matter 12(24): 5297-5306. http://dx.doi.org/10.1088/0953-8984/12/24/318. (Journal Articles)

• Wells JPR., Yamaga M., Mosses RW., Han TPJ., Gallagher HG. and Yosida T. (2000) Polarized laser selective excitation and electron paramagnetic resonance of Er3+ centers in SrLaAlO4 crystals. Physical Review B 61(6): 3905-3914. http://dx.doi.org/10.1103/PhysRevB.61.3905. (Journal Articles)

• Yamaga M., Honda M., Wells JPR., Han TPJ. and Gallagher HJ. (2000) An electron paramagnetic resonance study on Sm3+ and Yb3+ in KY3F10 crystals. Journal of Physics: Condensed Matter 12(40): 8727-8736. http://dx.doi.org/10.1088/0953-8984/12/40/314. (Journal Articles)

• Duffy S., Wells JPR., Gallagher HG. and Han TPJ. (1999) Bridgman growth and laser excitation of LiYF4:Sm3+. Journal of crystal growth 203(3): 405-411. http://dx.doi.org/10.1016/S0022-0248(99)00128-1. (Journal Articles)

• Pidgeon CR., Murdin BN., Wells JPR. and Bradley IV. (1999) Free Electron Laser Studies of Carrier Lifetime and Lifetime Design in Semiconductors and Ionic Crystals. Munich, Germany: Laser99, 16 Jun 1999. In Proceedings of SPIE 3828: 162-170. (Conference Contributions - Published)

• Wells JPR., Han TPJ. and McConnell G. (1999) Upconversion spectroscopy of Ca3Ga2Ge4O14 doped with trivalent erbium. Radiation effects and defects in solids 149(1-4): 329-333. http://dx.doi.org/10.1080/10420159908230176. (Journal Articles)

• Wells JPR., Jones GD. and Reeves RJ. (1999) Zeeman and hyperfine infrared-spectra of Pr3+ centres in alkaline earth fluoride crystals. Physical Review B 60(2): 851-859. http://dx.doi.org/10.1103/PhysRevB.60.851. (Journal Articles)

• Wells JPR., Sugiyama A., Han TPJ. and Gallagher HG. (1999) Laser site selective excitation of KY3F10 doped with samarium. Journal of Luminescence 85(1-3): 91-102. http://dx.doi.org/10.1016/S0022-2313(99)00150-7. (Journal Articles)

• Wells JPR., Yamaga M., Han TPJ. and Mosses RW. (1999) Optical and EPR studies of the Er3+ ion site distribution in SrLaAlO4:Er3+ crystals. Radiation Effects and Defects in Solids 149(1-4): 341-345. http://dx.doi.org/10.1080/10420159908230178. (Journal Articles)

• Wells JPR., Yamaga M., Han TPJ., Gallagher HG. and Honda M. (1999) Polarized laser excitation and electron paramagnetic resonance of Sm3+ doped LiYF4. Physical Review B 60(6): 3849-3855. http://dx.doi.org/10.1103/PhysRevB.60.3849. (Journal Articles)

• Wells JPR., Yamaga M., Kodama N. and Han TPJ. (1999) Polarized laser spectroscopy and crystal-field analysis of Er3+ doped CaGdAlO4. Journal of Physics: Condensed Matter 11(39): 7545-7555. http://dx.doi.org/10.1088/0953-8984/11/39/310. (Journal Articles)

• Mosses RW., Wells JPR., Gallagher HG., Han TPJ., Yamaga M., Kodama N. and Yosida T. (1998) Czochralski growth and IR-to-visible upconversion of Ho3+ and Er3+ doped SrLaAlO4. Chemical Physics Letters 286(3-4): 291-297. http://dx.doi.org/10.1016/S0009-2614(98)00107-9. (Journal Articles)

• Wells JPR. and Jones GD. (1998) Hyperfine and electron-phonon splittings of F- and H- C4v centres in Caf2:Tb3+. Journal of Luminescence 76-77: 608-610. http://dx.doi.org/10.1016/S0022-2313(97)00259-7. (Journal Articles)

• Wells JPR., Heron RJ., Jones GD., Manson NB. and Martin JPD. (1998) Selective laser excitation and ODNMR studies of SrF2: Pr3+ codoped with La3+. Journal of Luminescence 78(3): 213-219. http://dx.doi.org/10.1016/S0022-2313(97)00312-8. (Journal Articles)

• Wells JPR., Jones GD. and Reeves RJ. (1997) Energy transfer and laser spectroscopy of Eu3+ co-doped CaF2:Sm3+. Journal of Luminescence 72-74: 977-979. http://dx.doi.org/10.1016/S0022-2313(96)00439-5. (Journal Articles)

• Wells JPR. and Reeves RJ. (1995) Upconversion fluorescence of Eu3+ doped alkaline earth fluoride crystals. Journal of Luminescence 66-67: 219-223. http://dx.doi.org/10.1016/0022-2313(95)00140-9. (Journal Articles)

Review and Refereeing

• Journal of Alloys and Compounds; Journal of Luminescence; Chemical Physics Letters; Physical Review B; Physical Review Letters; Infrared Physics and Technology; Solid State Communications; Journal of Physics and Chemistry of Solids ( 2000 - 2005)
• Journal of Alloys and Compounds; Journal of Luminescence; Chemical Physics Letters; Physical Review B; Physical Review Letters; Infrared Physics and Technology; Solid State Communications; Journal of Non-Crystalline Solids; Journal of the Physics and Chemistry of Solids; Journal of Physical Chemistry; Journal of Physics B Atomic, Molecular and Optical Physics; Journal of Physics C.: Condensed Matter Physics; Semiconductor Science and Technology; Journal of Physics D.: Applied Physics; Nanotechnology; Materials Letters; Europhysics Letters; Reports on Progress in Physics; Journal of Seismology ( 2006 - 2019)
• Journal of Alloys and Compounds; Journal of Luminescence; Chemical Physics Letters; Physical Review B; Physical Review Letters; Infrared Physics and Technology; Solid State Communications; Journal of Non-Crystalline Solids; Journal of the Physics and Chemistry of Solids; Journal of Physical Chemistry; Journal of Physics B; Atomic, Molecular and Optical Physics; Journal of Physics C; Condensed Matter Physics; Semiconductor Science and Technology; Journal of Physics D; Applied Physics; Nanotechnology; Materials Letters; Europhysics Letters; Reports on Progress in Physics; Journal of Seismology; Journal of Quantitative Spectroscopy and Radiative Transfer; Physica Status Solidi; Physica Status Solidi; Optical Materials; Classical and Quantum Gravity; Optics Communications ( 2006 - 2019)